The, Hidden

The Hidden Concentration Risk in Your Global ETF Portfolio

14.10.2025 - 12:45:02

The Dominance of Mega-Cap Technology

A concerning pattern of dependency has emerged within the iShares MSCI World ETF, where the performance trajectory appears increasingly tied to the artificial intelligence sector. This massive fund, which holds over 1,300 individual positions, demonstrates surprising vulnerability due to the overwhelming influence of just a handful of technology behemoths.

At first glance, this ETF presents itself as broadly diversified across global markets. However, a deeper examination reveals a different story. The ten largest holdings collectively account for a substantial 27.28% of the entire fund’s assets—an alarming concentration for any investment vehicle marketed as providing worldwide diversification.

The fund’s fortunes are particularly tied to five corporate giants that command the portfolio’s top positions:

@ boerse-global.de